diff --git a/sql-plugin/src/main/scala/com/nvidia/spark/rapids/parquet/ParquetCachedBatchSerializer.scala b/sql-plugin/src/main/scala/com/nvidia/spark/rapids/parquet/ParquetCachedBatchSerializer.scala
index 5ead8947dfb..84cf5023ca9 100644
--- a/sql-plugin/src/main/scala/com/nvidia/spark/rapids/parquet/ParquetCachedBatchSerializer.scala
+++ b/sql-plugin/src/main/scala/com/nvidia/spark/rapids/parquet/ParquetCachedBatchSerializer.scala
@@ -147,7 +147,7 @@ private class ByteArrayOutputFile(stream: ByteArrayOutputStream) extends OutputF
 
       override def write(b: Int): Unit = {
         super.write(b)
-        pos += Integer.BYTES
+        pos += 1
       }
 
       override def write(b: Array[Byte]): Unit = {